User guide

85
18. Call timer ON
(OFF)
Enable the automatic display of
the call timer, which shows how
long you have been on a call. See
page 365.
19. Don’t dsturb
OFF (ON)
Stop or prevent the ringing of
your telephone. See page 323.
20. Timer key Program the Call timer option
into a memory key. When you
press the Timer key, the Call
timer appears on the telephone
display. See page 366.
21. Don’t dsturb
key
Program the Don’t disturb option
into a memory key. When you
press the memory key, the option
turns off or on, depending on
what it was set to when you
pressed it. See page 325.
22. Busy redial
key
Program the Busy redial option
into a memory key. When you
press the memory key, the option
is activated or deactivated. See
page 371.
23. Busy retry
delay
Specify the time between auto-
matic busy redial attempts. See
page 372.
The 9617 telephone Options List (page 4 of 5)
Use this option... to do this...